Answer
-2
Work Step by Step
"The sum of a number and 2 equals 6 added to three times the number" is written as follows:
$x+2=6+3x$
Simplify: Move all terms with x to the left side.
$-2x+2=6$
Subtract 2 from each side.
$-2x=4$
Divide by $-2$
$x=-2$
